Holly is from Toronto, Canada. While performing comedy there, she won a Canadian Comedy Award for best sketch troupe, as a member of The Sketchersons. She joined the Second City Touring Company and won MTV's Yo Mamma: Canada. In 2008, she attended The Sundance Film Festival, where her film The Funeral was an official selection. She has appeared on Comedy Bang Bang on IFC and will appear on the new IFC sketch show by The Birthday Boys.
Holly has performed at SF Sketchfest from 2010 through 2013, both as a solo act and with her UCB Maude team, The Get Go, who have quickly become the sketch darlings of UCBTLA.
Her Upright Citizens Brigade Los Angeles credits include Not Too Shabby, CDR Sketch, Sketch Cram, The Back Room with Matt Besser and Comedy Bang Bang, not to mention many other hilarious bit shows.